Electromechanical demonstration of premature ventricular contraction-induced atrial cardiomyopathy by P wave duration-to-amplitude ratio (PWDAR) and left atrial strain
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Introduction: High premature ventricular contraction (PVC) burden is known to cause atrial remodeling. P wave duration-to-amplitude ratio (PWDAR) is a new P wave index that includes both P wave duration and P wave voltage, which ... ...
